1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * drivers/scsi/ufs/unipro.h
4  *
5  * Copyright (C) 2013 Samsung Electronics Co., Ltd.
6  */
7 
8 #ifndef _UNIPRO_H_
9 #define _UNIPRO_H_
10 
11 /*
12  * M-TX Configuration Attributes
13  */
14 #define TX_HIBERN8TIME_CAPABILITY		0x000F
15 #define TX_MODE					0x0021
16 #define TX_HSRATE_SERIES			0x0022
17 #define TX_HSGEAR				0x0023
18 #define TX_PWMGEAR				0x0024
19 #define TX_AMPLITUDE				0x0025
20 #define TX_HS_SLEWRATE				0x0026
21 #define TX_SYNC_SOURCE				0x0027
22 #define TX_HS_SYNC_LENGTH			0x0028
23 #define TX_HS_PREPARE_LENGTH			0x0029
24 #define TX_LS_PREPARE_LENGTH			0x002A
25 #define TX_HIBERN8_CONTROL			0x002B
26 #define TX_LCC_ENABLE				0x002C
27 #define TX_PWM_BURST_CLOSURE_EXTENSION		0x002D
28 #define TX_BYPASS_8B10B_ENABLE			0x002E
29 #define TX_DRIVER_POLARITY			0x002F
30 #define TX_HS_UNTERMINATED_LINE_DRIVE_ENABLE	0x0030
31 #define TX_LS_TERMINATED_LINE_DRIVE_ENABLE	0x0031
32 #define TX_LCC_SEQUENCER			0x0032
33 #define TX_MIN_ACTIVATETIME			0x0033
34 #define TX_PWM_G6_G7_SYNC_LENGTH		0x0034
35 #define TX_REFCLKFREQ				0x00EB
36 #define TX_CFGCLKFREQVAL			0x00EC
37 #define	CFGEXTRATTR				0x00F0
38 #define DITHERCTRL2				0x00F1
39 
40 /*
41  * M-RX Configuration Attributes
42  */
43 #define RX_MODE					0x00A1
44 #define RX_HSRATE_SERIES			0x00A2
45 #define RX_HSGEAR				0x00A3
46 #define RX_PWMGEAR				0x00A4
47 #define RX_LS_TERMINATED_ENABLE			0x00A5
48 #define RX_HS_UNTERMINATED_ENABLE		0x00A6
49 #define RX_ENTER_HIBERN8			0x00A7
50 #define RX_BYPASS_8B10B_ENABLE			0x00A8
51 #define RX_TERMINATION_FORCE_ENABLE		0x00A9
52 #define RX_MIN_ACTIVATETIME_CAPABILITY		0x008F
53 #define RX_HIBERN8TIME_CAPABILITY		0x0092
54 #define RX_REFCLKFREQ				0x00EB
55 #define	RX_CFGCLKFREQVAL			0x00EC
56 #define CFGWIDEINLN				0x00F0
57 #define CFGRXCDR8				0x00BA
58 #define ENARXDIRECTCFG4				0x00F2
59 #define CFGRXOVR8				0x00BD
60 #define RXDIRECTCTRL2				0x00C7
61 #define ENARXDIRECTCFG3				0x00F3
62 #define RXCALCTRL				0x00B4
63 #define ENARXDIRECTCFG2				0x00F4
64 #define CFGRXOVR4				0x00E9
65 #define RXSQCTRL				0x00B5
66 #define CFGRXOVR6				0x00BF
67 #define RX_HS_G1_SYNC_LENGTH_CAP		0x008B
68 #define RX_HS_G1_PREP_LENGTH_CAP		0x008C
69 #define RX_HS_G2_SYNC_LENGTH_CAP		0x0094
70 #define RX_HS_G3_SYNC_LENGTH_CAP		0x0095
71 #define RX_HS_G2_PREP_LENGTH_CAP		0x0096
72 #define RX_HS_G3_PREP_LENGTH_CAP		0x0097
73 #define RX_ADV_GRANULARITY_CAP			0x0098
74 #define RX_MIN_ACTIVATETIME_CAP			0x008F
75 #define RX_HIBERN8TIME_CAP			0x0092
76 #define RX_ADV_HIBERN8TIME_CAP			0x0099
77 #define RX_ADV_MIN_ACTIVATETIME_CAP		0x009A
78 
79 
80 #define is_mphy_tx_attr(attr)			(attr < RX_MODE)
81 #define RX_ADV_FINE_GRAN_STEP(x)		((((x) & 0x3) << 1) | 0x1)
82 #define SYNC_LEN_FINE(x)			((x) & 0x3F)
83 #define SYNC_LEN_COARSE(x)			((1 << 6) | ((x) & 0x3F))
84 #define PREP_LEN(x)				((x) & 0xF)
85 
86 #define RX_MIN_ACTIVATETIME_UNIT_US		100
87 #define HIBERN8TIME_UNIT_US			100
88 
89 /*
90  * Common Block Attributes
91  */
92 #define TX_GLOBALHIBERNATE			UNIPRO_CB_OFFSET(0x002B)
93 #define REFCLKMODE				UNIPRO_CB_OFFSET(0x00BF)
94 #define DIRECTCTRL19				UNIPRO_CB_OFFSET(0x00CD)
95 #define DIRECTCTRL10				UNIPRO_CB_OFFSET(0x00E6)
96 #define CDIRECTCTRL6				UNIPRO_CB_OFFSET(0x00EA)
97 #define RTOBSERVESELECT				UNIPRO_CB_OFFSET(0x00F0)
98 #define CBDIVFACTOR				UNIPRO_CB_OFFSET(0x00F1)
99 #define CBDCOCTRL5				UNIPRO_CB_OFFSET(0x00F3)
100 #define CBPRGPLL2				UNIPRO_CB_OFFSET(0x00F8)
101 #define CBPRGTUNING				UNIPRO_CB_OFFSET(0x00FB)
102 
103 #define UNIPRO_CB_OFFSET(x)			(0x8000 | x)
104 
105 /*
106  * PHY Adpater attributes
107  */
108 #define PA_ACTIVETXDATALANES	0x1560
109 #define PA_ACTIVERXDATALANES	0x1580
110 #define PA_TXTRAILINGCLOCKS	0x1564
111 #define PA_PHY_TYPE		0x1500
112 #define PA_AVAILTXDATALANES	0x1520
113 #define PA_AVAILRXDATALANES	0x1540
114 #define PA_MINRXTRAILINGCLOCKS	0x1543
115 #define PA_TXPWRSTATUS		0x1567
116 #define PA_RXPWRSTATUS		0x1582
117 #define PA_TXFORCECLOCK		0x1562
118 #define PA_TXPWRMODE		0x1563
119 #define PA_LEGACYDPHYESCDL	0x1570
120 #define PA_MAXTXSPEEDFAST	0x1521
121 #define PA_MAXTXSPEEDSLOW	0x1522
122 #define PA_MAXRXSPEEDFAST	0x1541
123 #define PA_MAXRXSPEEDSLOW	0x1542
124 #define PA_TXLINKSTARTUPHS	0x1544
125 #define PA_LOCAL_TX_LCC_ENABLE	0x155E
126 #define PA_TXSPEEDFAST		0x1565
127 #define PA_TXSPEEDSLOW		0x1566
128 #define PA_REMOTEVERINFO	0x15A0
129 #define PA_TXGEAR		0x1568
130 #define PA_TXTERMINATION	0x1569
131 #define PA_HSSERIES		0x156A
132 #define PA_PWRMODE		0x1571
133 #define PA_RXGEAR		0x1583
134 #define PA_RXTERMINATION	0x1584
135 #define PA_MAXRXPWMGEAR		0x1586
136 #define PA_MAXRXHSGEAR		0x1587
137 #define PA_RXHSUNTERMCAP	0x15A5
138 #define PA_RXLSTERMCAP		0x15A6
139 #define PA_GRANULARITY		0x15AA
140 #define PA_PACPREQTIMEOUT	0x1590
141 #define PA_PACPREQEOBTIMEOUT	0x1591
142 #define PA_HIBERN8TIME		0x15A7
143 #define PA_LOCALVERINFO		0x15A9
144 #define PA_GRANULARITY		0x15AA
145 #define PA_TACTIVATE		0x15A8
146 #define PA_PACPFRAMECOUNT	0x15C0
147 #define PA_PACPERRORCOUNT	0x15C1
148 #define PA_PHYTESTCONTROL	0x15C2
149 #define PA_PWRMODEUSERDATA0	0x15B0
150 #define PA_PWRMODEUSERDATA1	0x15B1
151 #define PA_PWRMODEUSERDATA2	0x15B2
152 #define PA_PWRMODEUSERDATA3	0x15B3
153 #define PA_PWRMODEUSERDATA4	0x15B4
154 #define PA_PWRMODEUSERDATA5	0x15B5
155 #define PA_PWRMODEUSERDATA6	0x15B6
156 #define PA_PWRMODEUSERDATA7	0x15B7
157 #define PA_PWRMODEUSERDATA8	0x15B8
158 #define PA_PWRMODEUSERDATA9	0x15B9
159 #define PA_PWRMODEUSERDATA10	0x15BA
160 #define PA_PWRMODEUSERDATA11	0x15BB
161 #define PA_CONNECTEDTXDATALANES	0x1561
162 #define PA_CONNECTEDRXDATALANES	0x1581
163 #define PA_LOGICALLANEMAP	0x15A1
164 #define PA_SLEEPNOCONFIGTIME	0x15A2
165 #define PA_STALLNOCONFIGTIME	0x15A3
166 #define PA_SAVECONFIGTIME	0x15A4
167 #define PA_TXHSADAPTTYPE       0x15D4
168 
169 /* Adpat type for PA_TXHSADAPTTYPE attribute */
170 #define PA_REFRESH_ADAPT       0x00
171 #define PA_INITIAL_ADAPT       0x01
172 #define PA_NO_ADAPT            0x03
173 
174 #define PA_TACTIVATE_TIME_UNIT_US	10
175 #define PA_HIBERN8_TIME_UNIT_US		100
176 
177 /*Other attributes*/
178 #define VS_MPHYCFGUPDT		0xD085
179 #define VS_DEBUGOMC		0xD09E
180 #define VS_POWERSTATE		0xD083
181 
182 #define PA_GRANULARITY_MIN_VAL	1
183 #define PA_GRANULARITY_MAX_VAL	6
184 
185 /* PHY Adapter Protocol Constants */
186 #define PA_MAXDATALANES	4
187 
188 #define DL_FC0ProtectionTimeOutVal_Default	8191
189 #define DL_TC0ReplayTimeOutVal_Default		65535
190 #define DL_AFC0ReqTimeOutVal_Default		32767
191 #define DL_FC1ProtectionTimeOutVal_Default	8191
192 #define DL_TC1ReplayTimeOutVal_Default		65535
193 #define DL_AFC1ReqTimeOutVal_Default		32767
194 
195 #define DME_LocalFC0ProtectionTimeOutVal	0xD041
196 #define DME_LocalTC0ReplayTimeOutVal		0xD042
197 #define DME_LocalAFC0ReqTimeOutVal		0xD043
198 
199 /* PA power modes */
200 enum {
201 	FAST_MODE	= 1,
202 	SLOW_MODE	= 2,
203 	FASTAUTO_MODE	= 4,
204 	SLOWAUTO_MODE	= 5,
205 	UNCHANGED	= 7,
206 };
207 
208 #define PWRMODE_MASK		0xF
209 #define PWRMODE_RX_OFFSET	4
210 
211 /* PA TX/RX Frequency Series */
212 enum {
213 	PA_HS_MODE_A	= 1,
214 	PA_HS_MODE_B	= 2,
215 };
216 
217 enum ufs_pwm_gear_tag {
218 	UFS_PWM_DONT_CHANGE,	/* Don't change Gear */
219 	UFS_PWM_G1,		/* PWM Gear 1 (default for reset) */
220 	UFS_PWM_G2,		/* PWM Gear 2 */
221 	UFS_PWM_G3,		/* PWM Gear 3 */
222 	UFS_PWM_G4,		/* PWM Gear 4 */
223 	UFS_PWM_G5,		/* PWM Gear 5 */
224 	UFS_PWM_G6,		/* PWM Gear 6 */
225 	UFS_PWM_G7,		/* PWM Gear 7 */
226 };
227 
228 enum ufs_hs_gear_tag {
229 	UFS_HS_DONT_CHANGE,	/* Don't change Gear */
230 	UFS_HS_G1,		/* HS Gear 1 (default for reset) */
231 	UFS_HS_G2,		/* HS Gear 2 */
232 	UFS_HS_G3,		/* HS Gear 3 */
233 	UFS_HS_G4,		/* HS Gear 4 */
234 };
235 
236 enum ufs_unipro_ver {
237 	UFS_UNIPRO_VER_RESERVED = 0,
238 	UFS_UNIPRO_VER_1_40 = 1, /* UniPro version 1.40 */
239 	UFS_UNIPRO_VER_1_41 = 2, /* UniPro version 1.41 */
240 	UFS_UNIPRO_VER_1_6  = 3, /* UniPro version 1.6 */
241 	UFS_UNIPRO_VER_1_61 = 4, /* UniPro version 1.61 */
242 	UFS_UNIPRO_VER_1_8  = 5, /* UniPro version 1.8 */
243 	UFS_UNIPRO_VER_MAX  = 6, /* UniPro unsupported version */
244 	/* UniPro version field mask in PA_LOCALVERINFO */
245 	UFS_UNIPRO_VER_MASK = 0xF,
246 };
247 
248 /*
249  * Data Link Layer Attributes
250  */
251 #define DL_TC0TXFCTHRESHOLD	0x2040
252 #define DL_FC0PROTTIMEOUTVAL	0x2041
253 #define DL_TC0REPLAYTIMEOUTVAL	0x2042
254 #define DL_AFC0REQTIMEOUTVAL	0x2043
255 #define DL_AFC0CREDITTHRESHOLD	0x2044
256 #define DL_TC0OUTACKTHRESHOLD	0x2045
257 #define DL_TC1TXFCTHRESHOLD	0x2060
258 #define DL_FC1PROTTIMEOUTVAL	0x2061
259 #define DL_TC1REPLAYTIMEOUTVAL	0x2062
260 #define DL_AFC1REQTIMEOUTVAL	0x2063
261 #define DL_AFC1CREDITTHRESHOLD	0x2064
262 #define DL_TC1OUTACKTHRESHOLD	0x2065
263 #define DL_TXPREEMPTIONCAP	0x2000
264 #define DL_TC0TXMAXSDUSIZE	0x2001
265 #define DL_TC0RXINITCREDITVAL	0x2002
266 #define DL_TC0TXBUFFERSIZE	0x2005
267 #define DL_PEERTC0PRESENT	0x2046
268 #define DL_PEERTC0RXINITCREVAL	0x2047
269 #define DL_TC1TXMAXSDUSIZE	0x2003
270 #define DL_TC1RXINITCREDITVAL	0x2004
271 #define DL_TC1TXBUFFERSIZE	0x2006
272 #define DL_PEERTC1PRESENT	0x2066
273 #define DL_PEERTC1RXINITCREVAL	0x2067
274 
275 /*
276  * Network Layer Attributes
277  */
278 #define N_DEVICEID		0x3000
279 #define N_DEVICEID_VALID	0x3001
280 #define N_TC0TXMAXSDUSIZE	0x3020
281 #define N_TC1TXMAXSDUSIZE	0x3021
282 
283 /*
284  * Transport Layer Attributes
285  */
286 #define T_NUMCPORTS		0x4000
287 #define T_NUMTESTFEATURES	0x4001
288 #define T_CONNECTIONSTATE	0x4020
289 #define T_PEERDEVICEID		0x4021
290 #define T_PEERCPORTID		0x4022
291 #define T_TRAFFICCLASS		0x4023
292 #define T_PROTOCOLID		0x4024
293 #define T_CPORTFLAGS		0x4025
294 #define T_TXTOKENVALUE		0x4026
295 #define T_RXTOKENVALUE		0x4027
296 #define T_LOCALBUFFERSPACE	0x4028
297 #define T_PEERBUFFERSPACE	0x4029
298 #define T_CREDITSTOSEND		0x402A
299 #define T_CPORTMODE		0x402B
300 #define T_TC0TXMAXSDUSIZE	0x4060
301 #define T_TC1TXMAXSDUSIZE	0x4061
302 
303 #ifdef FALSE
304 #undef FALSE
305 #endif
306 
307 #ifdef TRUE
308 #undef TRUE
309 #endif
310 
311 /* Boolean attribute values */
312 enum {
313 	FALSE = 0,
314 	TRUE,
315 };
316 
317 /* CPort setting */
318 #define E2EFC_ON	(1 << 0)
319 #define E2EFC_OFF	(0 << 0)
320 #define CSD_N_ON	(0 << 1)
321 #define CSD_N_OFF	(1 << 1)
322 #define CSV_N_ON	(0 << 2)
323 #define CSV_N_OFF	(1 << 2)
324 #define CPORT_DEF_FLAGS	(CSV_N_OFF | CSD_N_OFF | E2EFC_OFF)
325 
326 /* CPort connection state */
327 enum {
328 	CPORT_IDLE = 0,
329 	CPORT_CONNECTED,
330 };
331 
332 #endif /* _UNIPRO_H_ */
333